Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/7/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/09/2023 05:42:32 -70.81, -90.35 116.70 04/09/2023 05:43:41 -70.67, -88.85 116.89 57.26 69
2 04/09/2023 06:33:05 70.12, 78.05 62.57 04/09/2023 06:33:16 70.13, 78.01 62.58 2.10 11
3 04/09/2023 07:23:47 -70.03,-114.48 117.55 04/09/2023 07:22:46 -70.02,-114.52 117.55 1.99 61
4 04/11/2023 21:59:18 -70.21, 26.38 118.32 04/11/2023 22:00:14 -70.21, 26.37 118.33 0.37 56
5 04/11/2023 22:50:02 70.10,-166.15 61.55 04/11/2023 22:49:41 70.11,-166.14 61.56 0.42 21
6 04/11/2023 23:40:31 -69.32, 2.33 119.28 04/11/2023 23:39:22 -69.39, 0.51 119.15 71.95 69
7 04/14/2023 13:25:48 71.14, -26.69 61.69 04/14/2023 13:26:54 71.04, -24.14 61.51 92.50 66
8 04/14/2023 14:16:13 -70.15, 142.25 119.37 04/14/2023 14:16:38 -70.16, 142.18 119.36 2.88 25
9 04/14/2023 15:06:57 70.04, -50.28 60.51 04/14/2023 15:06:05 70.05, -50.33 60.53 2.19 52
10 04/17/2023 05:42:28 70.24, 90.55 59.79 04/17/2023 05:43:32 70.24, 90.56 59.78 0.70 64
11 04/17/2023 06:33:10 -70.14,-101.98 120.33 04/17/2023 06:33:02 -70.13,-101.97 120.35 1.27 8
12 04/17/2023 07:23:46 69.61, 66.13 59.11 04/17/2023 07:22:35 69.68, 65.06 59.21 42.11 71
13 04/19/2023 21:59:24 70.19,-153.61 58.80 04/19/2023 21:59:56 70.17,-153.64 58.78 2.69 32
14 04/19/2023 22:50:06 -70.09, 13.87 121.32 04/19/2023 22:49:26 -70.07, 13.84 121.34 2.78 40

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/7/2023
SNOs_Map_NOAA-20_LANDSAT-8_20230407.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/07/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8